Doctor profile · Federal record

Dr. Mia Weiss, MD

Medical Oncology Physician (CMS: Medical Oncology) · Internal Medicine Physician · Saint Louis, MO

  • NPI 1033525332
  • Accepts Medicare
  • MIPS 79.3 / 100 · 2023
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4921 Parkview Pl, Div Im Medical Oncology, Ste 7A, 7B, 7C
Saint Louis, MO 631101032
(800) 647-2098
fax (314) 362-3192
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
July 2014 — 12 yrs on file
Profile last updated
April 17, 2025
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Missouri #2020023687
Medicaid
MO #200088870

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033525332. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
68,984
Distinct HCPCS
10
Medicare allowed
$1,083,714
HCPCS Description Services Patients Avg allowed
J9271 Injection, pembrolizumab, 1 mg 12,000 27 $54
J1453 Injection, fosaprepitant, 1 mg 11,850 50 $0
J9263 Injection, oxaliplatin, 0.5 mg 9,800 17 $0
Q5101 Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgram 9,720 14 $0
J9025 Injection, azacitidine, 1 mg 3,200 12 $0
J9267 Injection, paclitaxel, 1 mg 2,901 12 $0
J0897 Injection, denosumab, 1 mg 2,640 17 $23
J0461 Injection, atropine sulfate, 0.01 mg 2,600 11 $0
J1100 Injection, dexamethasone sodium phosphate, 1 mg 2,140 117 $0
J1561 Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg 1,570 19 $48

In context: peer comparison

Among 44 peers in Saint Louis Medical Oncology Physician, average services per provider: 919. This provider delivers 75× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$765
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Ipsen Innovation 1 $690.00
Aadi Bioscience, INC. 2 $75.06

By nature of payment

Consulting Fee
$690
Food and Beverage
$75

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
517
Patients
152
Total drug cost
$711,644
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 77 41 $1,871
Imatinib Mesylate Generic 62 0 $62,480
Morphine Sulfate ER (Morphine Sulfate) Brand 38 11 $1,229
Prochlorperazine Maleate Generic 38 23 $939
Votrient (Pazopanib Hcl) Brand 37 0 $621,308
Losartan Potassium Generic 36 0 $283
Eliquis (Apixaban) Brand 31 0 $20,897
Amlodipine Besylate Generic 29 0 $170
Dexamethasone Generic 28 18 $666
Furosemide Generic 27 12 $87

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mia Weiss's medical specialty?
Dr. Mia Weiss practices Medical Oncology Physician in Saint Louis, MO.
Where does Dr. Mia Weiss practice?
Dr. Mia Weiss practices at 4921 Parkview Pl, Saint Louis, MO 631101032. Office phone: 8006472098.
What is Dr. Mia Weiss's NPI?
Dr. Mia Weiss's National Provider Identifier (NPI) is 1033525332, issued by NPPES.
Does Dr. Mia Weiss accept Medicare assignment?
Yes. Dr. Mia Weiss accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mia Weiss commonly perform?
Top Medicare-reported procedures in 2023: Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, fosaprepitant, 1 mg (HCPCS J1453); Injection, oxaliplatin, 0.5 mg (HCPCS J9263). Source: CMS Medicare Physician & Other Practitioners file.